Write the Expression as a Single Logarithm with Coefficient 1 $$a \neq 1 \text { and } b \neq 1$$

question 386

Multiple Choice

Write the expression as a single logarithm with coefficient 1. Assume all variables represent positive real numbers with $$a \neq 1 \text { and } b \neq 1$$
- $\log _ { 3 } 8 - \log _ { 3 } z$

• A) \(\log _ { 3 } ( 8 - z )\)
• B) \(\log _ { 6 } \left( \frac { 8 } { z } \right)\)
• C) \(\log _ { 3 } \left( \frac { 8 } { z } \right)\)
• D) \(\log _ { 3 } \left( \frac { z } { 8 } \right)\)

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Definitions:

Oligopoly

A market structure in which a few firms dominate, and each one can significantly affect prices and other market factors.

Four-firm Concentration Ratio

An indicator of the extent to which the four largest firms dominate an industry, measured by their combined market share.

Herfindahl Index

A measure of market concentration, calculated by summing the squares of the market shares of all firms in the market.

Four-Firm Sales Concentration Ratio

A measure indicating the total market share of the four largest firms within an industry, used to assess the level of market competition.